(19)
(11) EP 0 260 920 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.04.1989 Bulletin 1989/15

(43) Date of publication A2:
23.03.1988 Bulletin 1988/12

(21) Application number: 87308121.0

(22) Date of filing: 15.09.1987
(51) International Patent Classification (IPC)4: G11B 7/24
(84) Designated Contracting States:
DE FR GB NL

(30) Priority: 15.09.1986 US 907423

(71) Applicant: EASTMAN KODAK COMPANY (a New Jersey corporation)
Rochester, New York 14650 (US)

(72) Inventor:
  • Raychaudhuri, Pranab Kumar EASTMAN KODAK COMPANY
    Rochester New York 14650 (US)

(74) Representative: Phillips, Margaret Dawn et al
Kodak Limited Patent Department Headstone Drive
Harrow, Middlesex HA1 4TY
Harrow, Middlesex HA1 4TY (GB)


(56) References cited: : 
   
       


    (54) Thin film amorphous optical recording films


    (57) A recording element comprising, as the optical recording layer, an amorphous thin film of an alloy having the formula:
    (Gex Tel-x)l-z Tiz
    wherein, on an atom-to-atom basis,
    x is from 0.33 to 0.55, and
    z is greater than zero up to 0.30 is disclosed.







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